Independent community site, not affiliated with any government.
UN

Union, Iowa

City in Hardin County, Iowa · ZIP 50258

  • Hardin County
  • Census data · ACS 2019-2023
  • 2 public schools
  • 378 (2024 estimate)Population
  • 198Households
  • $60,000Median household income
  • $72,600Median home value
  • 2Public schools
  • 1ZIP codes

About Union

This page shows only what has been published about Union: Census facts with their sources first, then its businesses, jobs, events, people in public roles, housing and questions as they are added. Nothing here is written by the town government.

Town intelligenceOfficial sources, refreshed yearly

Population, 2000 to 2020−6.6%
3904004104204302000: 42720002010: 39720102020: 3992020427399
Population of Union at each census
CensusPopulation
2000427
2010397
2020399

As counted at each census, within the boundaries the area had then; the current estimate is in the glance card.

Sources: Census 2000 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2010 Summary File 1: total population, place level, state 19, retrieved November 14, 2026; Census 2020 Redistricting Data (P.L. 94-171): total population, place level, state 19, retrieved November 14, 2026.

Household income in Union
Under $50k42%
$50k to $100k37.8%
$100k to $150k13.1%
$150k to $200k3.5%
$200k and over3.5%

Median household income $60,000 · Share of households by income, American Community Survey 5-year 2019-2023, table S1901.

Source: American Community Survey 5-year subject table S1901 (household income) 2019–2023, place level, state 19, retrieved November 14, 2026.

Housing tenure in Union
Owner occupied
170 units
Renter occupied
28 units
Vacancy rate
12.4%

Occupied housing units by tenure and the share of all units vacant, American Community Survey 5-year 2019-2023, table DP04.

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

Union compared with its county and state
Union compared with its county and state, American Community Survey 2019-2023
MeasureUnionHardin CountyIowa
Population39116,7293,195,937
Median household income$60,000$64,906$73,147
Median age49.945.238.6
Median home value$72,600$113,000$195,900
Bachelor’s degree or higher15.8%21.2%30.9%
Foreign-born residents0.0%3.1%5.7%
Owner-occupied homes85.9%73.3%71.5%
Mean commute to work20.4 minutes21.4 minutes19.8 minutes

Source: American Community Survey 5-year data profile 2019–2023, place level, state 19, retrieved November 14, 2026.

CommunityRules and moderation

Log in to post in Union.
Latest in UnionEvery post is checked before neighbours see it.

Loading…

Events in UnionAll events

Coming up in UnionAll events

No upcoming event is listed in Union yet. Members and businesses add events from the Events page; each is screened before it shows.

Schools

Public schools in Union2
Public schools in Union, NCES directory 2023–2024
SchoolTypeGradesDistrict
BCLUW Middle SchoolPublic5–8BCLUW Comm School District
Choice Charter SchoolCharter9–12Choice Charter Schools

Open public schools in the NCES directory for 2023–2024, placed by their listed location; private schools are not in the source. Enrollment and ratings are not shown.

Sources: NCES Common Core of Data, public school directory 2023–2024, retrieved November 14, 2026; NCES EDGE public school geocodes 2024–2025, retrieved November 14, 2026.

Frequently asked about UnionPromoted from questions people asked

No question about Union has been asked often enough to publish an answer yet. Ask Union and the answer, once a person checks it, appears here.

Nearby towns

Other towns in Hardin County

All towns in Hardin County